Class: RnDB::Slice

Inherits:
Range
  • Object
show all
Defined in:
lib/rndb/slice.rb

Instance Method Summary collapse

Constructor Details

#initialize(min, max) ⇒ Slice

A range that knows how to sort and intersect itself, private to Thickets.



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# File 'lib/rndb/slice.rb', line 6

def initialize(min, max)
  super(min.to_i, max.to_i)
end

Instance Method Details

#&(other) ⇒ Object

We need to intersect slices when processing query constraints.



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# File 'lib/rndb/slice.rb', line 21

def &(other)
  return nil if min > other.max || max < other.min
  self.class.new([min, other.min].max, [max, other.max].min)
end

#<=>(other) ⇒ Object

Because Slices in a Thicket are disjoint, we can sort by min or max.



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# File 'lib/rndb/slice.rb', line 16

def <=>(other)
  min <=> other.min
end

#count ⇒ Object

Just in case the Range implementation is inefficient.



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# File 'lib/rndb/slice.rb', line 11

def count
  max - min + 1
end